Some medicines lose their potency when exposed to ultraviolet light. Recommend the type of container in which these medicines should be stored

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Which notation is used to represent an alpha particle? a. b. c. d.

Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.